How to Prevent Dementia – by Dr. Richard Restak
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We’ve written about this topic here, we know. But there’s a lot more we can do to be on guard against, and pre-emptively strengthen ourselves against, dementia.
The author, a neurologist, takes us on a detailed exploration of dementia in general, with a strong focus on Alzheimer’s in particular, as that accounts for more than half of all dementia cases.
But what if you can’t avoid it? It could be that with the wrong genes and some other factor(s) outside of your control, it will get you if something else doesn’t get you first.
Rather than scaremongering, Dr. Restak tackles this head-on too, and discusses how symptoms can be managed, to make the illness less anxiety-inducing, and look to maintain quality of life as much as possible.
The style of the book is… it reads a lot like an essay compilation. Good essays, then organized and arranged in a sensible order for reading, but distinct self-contained pieces. There are ten or eleven chapters (depending on how we count them), each divided into few or many sections. All this makes for:
- A very “read a bit now and a bit later and a bit the next day” book, if you like
- A feeling of a very quick pace, if you prefer to sit down and read it in one go
Either way, it’s a very informative read.
Bottom line: if you’d like to better understand the many-headed beast that is dementia, this book gives a far more comprehensive overview than we could here, and also explains the prophylactic interventions available.
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Is cold water bad for you? The facts behind 5 water myths
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We know the importance of staying hydrated, especially in hot weather. But even for something as simple as a drink of water, conflicting advice and urban myths abound.
Is cold water really bad for your health? What about hot water from the tap? And what is “raw water”? Let’s dive in and find out.
Myth 1: Cold water is bad for you
Some recent TikToks have suggested cold water causes health problems by somehow “contracting blood vessels” and “restricting digestion”. There is little evidence for this.
While a 2001 study found 51 out of 669 women tested (7.6%) got a headache after drinking cold water, most of them already suffered from migraines and the work hasn’t been repeated since.
Cold drinks were shown to cause discomfort in people with achalasia (a rare swallowing disorder) in 2012 but the study only had 12 participants.
For most people, the temperature you drink your water is down to personal preference and circumstances. Cold water after exercise in summer or hot water to relax in winter won’t make any difference to your overall health.
Myth 2: You shouldn’t drink hot tap water
This belief has a grain of scientific truth behind it. Hot water is generally a better solvent than cold water, so may dissolve metals and minerals from pipes better. Hot water is also often stored in tanks and may be heated and cooled many times. Bacteria and other disease-causing microorganisms tend to grow better in warm water and can build up over time.
It’s better to fill your cup from the cold tap and get hot water for drinks from the kettle.
Myth 3: Bottled water is better
While bottled water might be safer in certain parts of the world due to pollution of source water, there is no real advantage to drinking bottled water in Australia and similar countries.
According to University of Queensland researchers, bottled water is not safer than tap water. It may even be tap water. Most people can’t tell the difference either. Bottled water usually costs (substantially) more than turning on the tap and is worse for the environment.
What about lead in tap water? This problem hit the headlines after a public health emergency in Flint, Michigan, in the United States. But Flint used lead pipes with a corrosion inhibitor (in this case orthophosphate) to keep lead from dissolving. Then the city switched water sources to one without a corrosion inhibitor. Lead levels rose and a public emergency was declared.
Fortunately, lead pipes haven’t been used in Australia since the 1930s. While lead might be present in some old plumbing products, it is unlikely to cause problems.
Myth 4: Raw water is naturally healthier
Some people bypass bottled and tap water, going straight to the source.
The “raw water” trend emerged a few years ago, encouraging people to drink from rivers, streams and lakes. There is even a website to help you find a local source.
Supporters say our ancestors drank spring water, so we should, too. However, our ancestors also often died from dysentery and cholera and their life expectancy was low.
While it is true even highly treated drinking water can contain low levels of things like microplastics, unless you live somewhere very remote, the risks of drinking untreated water are far higher as it is more likely to contain pollutants from the surrounding area.
Myth 5: It’s OK to drink directly from hoses
Tempting as it may be, it’s probably best not to drink from the hose when watering the plants. Water might have sat in there, in the warm sun for weeks or more potentially leading to bacterial buildup.
Similarly, while drinking water fountains are generally perfectly safe to use, they can contain a variety of bacteria. It’s useful (though not essential) to run them for a few seconds before you start to drink so as to get fresh water through the system rather than what might have been sat there for a while.
We are fortunate to be able to take safe drinking water for granted. Billions of people around the world are not so lucky.
So whether you like it hot or cold, or somewhere in between, feel free to enjoy a glass of water this summer.
Just don’t drink it from the hose.
Oliver A.H. Jones, Professor of chemistry, RMIT University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The 5 Resets – by Dr. Aditi Nerurkar
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What this book isn’t: an advice to go on a relaxing meditation retreat, or something like that.
What this is: a science-based guide to what actually works.
There’s no need to be mysterious, so we’ll mention that the titular “5 resets” are:
- What matters most
- Quiet in a noisy world
- Leveraging the brain-body connection
- Coming up for air (regaining perspective)
- Bringing your best self forward
All of these are things we can easily lose sight of in the hustle and bustle of daily life, so having a system for keeping them on track can make a huge difference!
The style is personable and accessible, while providing a lot of strongly science-backed tips and tricks along the way.
Bottom line: if life gets away from you a little too often for comfort, this book can help you keep on top of things with a lot less stress.
Click here to check out “The 5 Resets”, and take control with conscious calm!
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Vision for Life, Revised Edition – by Dr. Meir Schneider
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The “ten steps” would be better called “ten exercises”, as they’re ten things that one can (and should) continue to do on an ongoing basis, rather than steps to progress through and then forget about.
We can’t claim to have tested the ten exercises for improvement (this reviewer has excellent eyesight and merely hopes to maintain such as she gets older) but the rationale is compelling, and the public testimonials abundant.
Dr. Schneider also talks about improving and correcting errors of refraction—in other words, doing the job of any corrective lenses you may currently be using. While he doesn’t claim miracles, it turns out there is a lot that can be done for common issues such as near-sightedness and far-sightedness, amongst others.
There’s a large section on managing more chronic pathological eye conditions than this reviewer previously knew existed; in some cases it’s a matter of making sure things don’t get worse, but in many others, there’s a recurring of theme of “and here’s an exercise for correcting that”.
The writing style is a little more “narrative prose” than we’d have liked, but the quality of the content more than makes up for any style preference issues.
Bottom line: the human body is a highly adaptive organism, and sometimes it just needs a little help to correct itself. This book can help with that.
Click here to check out Vision for Life, and take good care of yours!
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Sweet Potato vs Cassava – Which is Healthier?
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Our Verdict
When comparing sweet potato to cassava, we picked the sweet potato.
Why?
For any unfamiliar with cassava, it’s also called manioc or yuca/yucca, and it’s a tuber that can be used a lot like sweet potato. It’s popular in S. America, often in recipes that aren’t the healthiest (deep-fried chunky “cassava chips” are popular in Brazil, for example, and farofa, a flour made from cassava, is less healthy even than refined white flour from wheat), but today we’re going to judge it on its own merit—since after all, almost anything can be deep-fried and many things can be turned into flour, but it doesn’t mean we have to do that.
Let’s talk macros first: sweet potato has nearly 2x the protein, while cassava has nearly 2x the carbs. As for fiber to soften those carbs’ impact on our blood sugars, well, sweet potato has about 2x the fiber. All in all for macros, a clear and easy win for sweet potato.
Important note: as for the impact that has on glycemic index: the exact glycemic index will depend on what you do with it (different cooking methods change the GI), but broadly speaking, sweet potatoes are considered a medium GI food, while cassava is a very high GI food, to the point that it’s higher than sucrose, and nearly equal to pure glucose. Which is impressive, for a tuber.
In terms of vitamins, sweet potato’s famously high vitamin A content raises the bar, but it’s not all it has to offer: sweet potato has more of vitamins A, B1, B2, B3, B5, B6, E, and K, while cassava has more of vitamins B9 and choline. Just for amusement’s sake, let’s note that the sweet potato has over 1,478x the vitamin A content. In any case, the vitamins category is another clear win for sweet potato.
When it comes to minerals, it’s again quite one-sided: sweet potato has more calcium, copper, iron, magnesium, manganese, phosphorus, and potassium, while cassava has more selenium. So, sweet potato wins yet again.
In short: definitely a case of “the less widely-available option is not necessarily the healthier”!
Want to learn more?
You might like to read:
Glycemic Index vs Glycemic Load vs Insulin Index
Take care!
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Broccoli vs Asparagus – Which is Healthier?
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Our Verdict
When comparing broccoli to asparagus, we picked the broccoli.
Why?
Both are great! But broccoli does distinguish itself:
In terms of macros, broccoli has slightly more protein, carbs, and fiber. The two vegetables have the same glycemic index. We’ll call this a slight win for broccoli based mainly on the higher fiber, but it’s not by a huge amount.
When it comes to vitamins, broccoli has more of vitamins B5, B6, B9, C, K, and choline, whereas asparagus has more of vitamins A, B1, B2, B3, and E. This would already be a 6:5 marginal win for broccoli, but it’s worth bearing in mind that broccoli’s margins are greater, especially with broccoli having around 15x the amount of vitamin C. So, a clear win for broccoli, respectable as asparagus may be.
In the category of minerals, broccoli has more calcium, magnesium, manganese, phosphorus, potassium, and selenium, while asparagus boasts more copper, iron, and zinc. A 6:3 win for broccoli here.
Both vegetables also contain generous amounts of antioxidant polyphenols and other beneficial phytochemicals, often a little different from each other, so that’s a case for enjoying both.
Still, if you’re going to pick just one, we recommend the broccoli!
Want to learn more?
You might like to read:
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Breadfruit vs Custard Apple – Which is Healthier?
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Our Verdict
When comparing breadfruit to custard apple, we picked the breadfruit.
Why?
Today in “fruits pretending to be less healthy things than they are”, both are great, but one of these fruits just edges out the other in all categories. This is quite simple today:
In terms of macros, being fruits they’re both fairly high in carbs and fiber, however the carbs are close to equal and breadfruit has nearly 2x the fiber.
This also means that breadfruit has the lower glycemic index, but they’re both medium-low GI foods with a low insulin index.
When it comes to vitamins, breadfruit has more of vitamins B1, B3, B5, and C, while custard apple has more of vitamins A, B2, and B6. So, a 4:3 win for breadfruit.
In the category of minerals, breadfruit has more copper, magnesium, phosphorus, potassium, and zinc, while custard apple has more calcium and iron.
In short, enjoy both, but if you’re going just for one, breadfruit is the healthiest.
Want to learn more?
You might like to read:
Which Sugars Are Healthier, And Which Are Just The Same?
Take care!
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